Challenges and progress on the modelling of entropy generation in porous media: a review
Depending upon the ultimate design, the use of porous media in thermal and chemical
systems can provide significant operational advantages, including helping to maintain a …
systems can provide significant operational advantages, including helping to maintain a …
Heat transfer analysis of a volumetric solar receiver with composite porous structure
A volumetric solar receiver with composite porous structure is proposed, where a porous
foam with different pore parameters from that in the other region of receiver is placed in the …
foam with different pore parameters from that in the other region of receiver is placed in the …
Experimental results of gradual porosity volumetric air receivers with wire meshes
AL Avila-Marin, MA de Lara, J Fernandez-Reche - Renewable Energy, 2018 - Elsevier
Abstract Central Receiver Systems with volumetric receiver technology has emerged as a
scheme that could increase receiver and power block efficiencies. Among other choices …
scheme that could increase receiver and power block efficiencies. Among other choices …
Multi-field coupling and collaborative optimization design of the solar thermochemical cycle process based on ceria
Most solar reactors commonly encounter challenges such as high-temperature gradients,
suboptimal photo-thermal efficiency, and limited catalyst utilization. This lack of coordination …
suboptimal photo-thermal efficiency, and limited catalyst utilization. This lack of coordination …
Modeling and analysis of an efficient porous media for a solar porous absorber with a variable pore structure
A theoretical mathematical model that considers the continuous linear porosity or pore
diameter distribution is established to develop a novel porous absorber with variable pore …
diameter distribution is established to develop a novel porous absorber with variable pore …
Experimental characterization on pore parameter and the irradiation absorption efficiency of a series SiC foam specimens
This paper experimentally analyzes the thermal performance of a volumetric solar receiver
with a series pore structures of silicon carbide foam. Twelve silicon carbide foam specimens …
with a series pore structures of silicon carbide foam. Twelve silicon carbide foam specimens …
Performance evaluation of a partially-filled porous foam cylindrical tubular receiver realizing Ni foam material reduction
Z Wu, XL Li, X Chen, XL Xia - Renewable Energy, 2024 - Elsevier
The optimization of metal foam structure parameters is crucial for enhancing the heat
transfer and pressure drop performance of cylindrical tube heat exchangers. In this study …
transfer and pressure drop performance of cylindrical tube heat exchangers. In this study …
Modeling of coupled heat transfer in a windowed volumetric solar receiver
XL Li, C Sun, XL Xia, ZH Li, Y Li - Solar Energy, 2020 - Elsevier
A two-dimensional coupled heat transfer model with Monte-Carlo ray tracing (MCRT)
method is developed to analyze the heat transfer in windowed volumetric solar receiver. The …
method is developed to analyze the heat transfer in windowed volumetric solar receiver. The …
Performance comparison between the geometry models of multi-channel absorbers in solar volumetric receivers
A Kasaeian, H Barghamadi, F Pourfayaz - Renewable Energy, 2017 - Elsevier
In this study, various multi-channel absorbers with different cross-sections and identical
internal surface areas were studied, and a numerical model was used for this purpose. The …
internal surface areas were studied, and a numerical model was used for this purpose. The …
Thermo-fluid optimization of a solar porous absorber with a variable pore structure
Optimization based on reconstruction of the velocity, temperature, and radiation fields in a
porous absorber with continuous linear porosity or pore diameter distribution is carried out in …
porous absorber with continuous linear porosity or pore diameter distribution is carried out in …